Separation of Chemical Reaction Intermediates by Metal-Organic Frameworks

Small ◽  
2011 ◽  
Vol 7 (16) ◽  
pp. 2356-2364 ◽  
Author(s):  
Andrea Centrone ◽  
Erik E. Santiso ◽  
T. Alan Hatton
Keyword(s):  
Chemical Reaction ◽  
Metal Organic Frameworks ◽  
Reaction Intermediates ◽  
Metal Organic

scholarly journals Electrochemically Triggered Dynamics Within a Hybrid Metal-Organic Electrocatalyst

2019 ◽  
Author(s):  
Nina Heidary ◽  
Mathieu Morency ◽  
Daniel Chartrand ◽  
Khoa Ly ◽  
Radu Iftimie ◽  
...  
Keyword(s):  
Experimental Data ◽  
Metal Organic Frameworks ◽  
Proof Of Concept ◽  
Reaction Intermediates ◽  
Carboxylate Ligands ◽  
Guest Species ◽  
Raman And Infrared Spectroscopy ◽  
Metal Organic ◽  
Responsive Behavior

<p> A wide array of systems, ranging from enzymes to synthetic catalysts, exert adaptive motifs to maximize their functionality. In a related manner, select metal-organic frameworks (MOFs) and related systems exhibit structural modulations under stimuli such as the infiltration of guest species. Probing their responsive behavior <i>in-situ</i> is a challenging but important step towards understanding their function and subsequently building from there. In this report, we investigate the dynamic behavior of an electrocatalytic Mn-porphyrin containing MOF system (Mn-MOF). We discover, using a combination of electrochemistry and <i>in-situ</i> probes of UV-Vis absorption, resonance Raman and infrared spectroscopy, a restructuration of this system via a reversible cleavage of the porphyrin carboxylate ligands under an applied voltage. We further show, by combining experimental data and DFT calculations, as a proof of concept, the capacity to utilize the Mn-MOF for electrochemical CO<sub>2</sub> fixation and to spectroscopically capture the reaction intermediates in its catalytic cycle. The findings of this work and methodology developed opens opportunities in the application of MOFs as dynamic, enzyme-inspired electrocatalytic systems.</p>

Photoresponsive porous materials: the design and synthesis of photochromic diarylethene-based linkers and a metal–organic framework

2014 ◽  
Vol 50 (20) ◽  
pp. 2653-2656 ◽  
Author(s):  
Dinesh G. (Dan) Patel ◽  
Ian M. Walton ◽  
Jordan M. Cox ◽  
Cody J. Gleason ◽  
David R. Butzer ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Porous Materials ◽  
Metal Organic Framework ◽  
Metal Organic Frameworks ◽  
Crystal Structure Analysis ◽  
Synthesis And Characterization ◽  
Reaction Intermediates ◽  
Design And Synthesis ◽  
Metal Organic

The synthesis and characterization of novel photochromic diarylethene-based linkers for use in metal–organic frameworks is described including crystal structure analysis of nearly all reaction intermediates.

scholarly journals Electrochemically Triggered Dynamics Within a Hybrid Metal-Organic Electrocatalyst

2019 ◽  
Author(s):  
Nina Heidary ◽  
Mathieu Morency ◽  
Daniel Chartrand ◽  
Khoa Ly ◽  
Radu Iftimie ◽  
...  
Keyword(s):  
Experimental Data ◽  
Metal Organic Frameworks ◽  
Proof Of Concept ◽  
Reaction Intermediates ◽  
Carboxylate Ligands ◽  
Guest Species ◽  
Raman And Infrared Spectroscopy ◽  
Metal Organic ◽  
Responsive Behavior

<p> A wide array of systems, ranging from enzymes to synthetic catalysts, exert adaptive motifs to maximize their functionality. In a related manner, select metal-organic frameworks (MOFs) and related systems exhibit structural modulations under stimuli such as the infiltration of guest species. Probing their responsive behavior <i>in-situ</i> is a challenging but important step towards understanding their function and subsequently building from there. In this report, we investigate the dynamic behavior of an electrocatalytic Mn-porphyrin containing MOF system (Mn-MOF). We discover, using a combination of electrochemistry and <i>in-situ</i> probes of UV-Vis absorption, resonance Raman and infrared spectroscopy, a restructuration of this system via a reversible cleavage of the porphyrin carboxylate ligands under an applied voltage. We further show, by combining experimental data and DFT calculations, as a proof of concept, the capacity to utilize the Mn-MOF for electrochemical CO<sub>2</sub> fixation and to spectroscopically capture the reaction intermediates in its catalytic cycle. The findings of this work and methodology developed opens opportunities in the application of MOFs as dynamic, enzyme-inspired electrocatalytic systems.</p>

Metal-Organic Frameworks

2021 ◽  
Author(s):  
Lars Öhrström ◽  
Francoise M. Amombo Noa
Keyword(s):  
Metal Organic Frameworks ◽  
Metal Organic

Substrate templated synthesis of single-phase and uniform Zr-porphyrin-based metal–organic frameworks

2020 ◽  
Vol 7 (1) ◽  
pp. 221-231
Author(s):  
Seong Won Hong ◽  
Ju Won Paik ◽  
Dongju Seo ◽  
Jae-Min Oh ◽  
Young Kyu Jeong ◽  
...  
Keyword(s):  
Chemical Bath Deposition ◽  
Single Phase ◽  
Metal Organic Frameworks ◽  
Templated Synthesis ◽  
Pore Structures ◽  
Phase Pure ◽  
Metal Organic ◽  
Cbd Method

We successfully demonstrate that the chemical bath deposition (CBD) method is a versatile method for synthesizing phase-pure and uniform MOFs by controlling their nucleation stages and pore structures.

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